Dna gyrase
(Science: enzyme molecular biology) a type II topoisomerase of escherichia coli, that is essential for dna replication. This enzyme can induce or relax supercoiling.
Dictionary > Dna gyrase
You will also like...

Amphibians & Early Reptiles
Obtaining air outside an aquatic environment required species to acquire suitable adaptations, and this was the case of ..

The Hominids
The hominid family diversified from the apes around 6 to 8 million years ago. Since then, the evolutionary path has prov..

Protein Synthesis
Part of the genetic information is devoted to the synthesis of proteins. mRNA, a type of RNA, is produced as a transcri..

The Central Nervous System
Myelin sheath is essential for a faster conductivity of signals. Know more about this feature of some neurons in the Cen..

Abiotic Factors – Water Conditions
A still body of water may be disturbed by a variety of factors. One of them is wind. In fact, it is considered as the pr..

Movement of Molecules Across Cell Membranes
Molecules move within the cell or from one cell to another through different strategies. Transport may be in the form of..